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SEC Form 4 reporting owner

George Simeon

George Simeon has filed 19 Form 4 transactions reported between June 5, 2026 and October 14, 2026, as a reporting owner of CRISPR Therapeutics AG, a reporting owner of ADARx Pharmaceuticals, Inc., a reporting owner of Nkarta, Inc. and a reporting owner of Design Therapeutics, Inc..

Name as filed: George Simeon

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George Simeon holds 9.9M shares of ADRX, worth $177.0M.

As of their Sep 28, 2026 Form 4 (filed Sep 29, 2026) · the filing on SEC EDGAR · valued at the Oct 26, 2026 close of $17.81

George Simeon holds 2.1M shares of CRSP, worth $100.7M, 2.12% of the company.

As of their Oct 14, 2026 Form 4 (filed Oct 16, 2026) · the filing on SEC EDGAR · 15,486 direct, 2.0M indirect · valued at the Oct 26, 2026 close of $49.01 · 96.7M shares outstanding on Jul 31, 2026

Open-market buys, 24 mo
$17.1M
2 lines
Open-market sales, 24 mo
$720K
1 lines
Companies
4
with Form 4 filings
Latest transaction
Oct 14, 2026
transaction date

Roles and reported holdings

  • CRSPCRISPR Therapeutics AG
    Jun 5, 2026 – Oct 14, 2026

    Reporting owner

    Held directly15,486 sh
    See Note 51,730,179 sh
    See Note 4238,897 sh
    See Note 369,687 sh

    As of Oct 14, 2026 · Form 4

    24 months: $720K sold

  • ADRXADARx Pharmaceuticals, Inc.
    Sep 28, 2026

    Reporting owner

    See Note 25,554,094 sh
    See Note 31,953,505 sh
    See Note 41,836,469 sh
    See Note 5592,593 sh

    As of Sep 28, 2026 · Form 4

    24 months: $17.1M bought

  • NKTXNkarta, Inc.
    Jun 10, 2026

    Reporting owner

    No common-stock holding reported on a purchase, sale, gift or withholding line.

  • DSGNDesign Therapeutics, Inc.
    Jun 9, 2026

    Reporting owner

    No common-stock holding reported on a purchase, sale, gift or withholding line.

How their buys did since

2 open-market purchases against today’s price: +4.8% on average, +4.8% weighted by dollars spent.

DatePaidReturn
Sep 28, 2026ADRX$17.00+4.8%now $17.81
Sep 28, 2026ADRX$17.00+4.8%now $17.81

Each purchase at the price on its Form 4, against the latest trade or close, adjusted for stock splits. Past returns say nothing about future ones.

Transaction history

All 19 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Oct 14, 2026CRSPOpen-market saleCode S · direct14,514$720K@ $49.63Form 4
Oct 14, 2026CRSPOption exerciseCode M · direct30,000$420K@ $14.00Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect198,019—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,953,773—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,802,885—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect600,962—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,304,883—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect3,907,547—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect169,001—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,667,468—Form 4
Sep 28, 2026ADRXOpen-market purchaseCode P · indirectAlso reported by SR ONE CAPITAL MANAGEMENT, LLC414,814$7.1M@ $17.00Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,538,691—Form 4
Sep 28, 2026ADRXOpen-market purchaseCode P · indirectAlso reported by SR ONE CAPITAL MANAGEMENT, LLC592,593$10.1M@ $17.00Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect512,897—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect1,113,666—Form 4
Sep 28, 2026ADRXConversion of derivativeCode C · indirect3,334,938—Form 4
Jun 10, 2026NKTXGrant or awardCode A · direct37,000—Form 4
Jun 9, 2026DSGNGrant or awardCode A · direct30,000—Form 4
Jun 5, 2026CRSPGrant or awardCode A · direct13,000—Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares each ownership line is left at by the person’s latest Form 4, 4/A or 5: held directly, and through each trust or entity named on the filing. A second class of common stock that converts into the listed one counts as shares; options and restricted stock units are listed but not counted. Value uses the latest trade or close, and the share of the company uses the latest shares-outstanding count the company reported. Where a filing has not yet been read line by line, the figure comes from the latest direct and indirect lines that traded and is shown as “at least”.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.